Zobrazeno 1 - 10 of 20 pro vyhledávání: '"Donald A. Ukeh"'
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Akademický článek
Management of Root-Knot Disease on Tomato with Bioformulated Paecilomyces lilacinus and Leaf Extract of Lantana camara
Autor: Idorenyin Asukwo Udo, Ephraim Onoku Osai, Donald Agioliwhu Ukeh
Publikováno v: Brazilian Archives of Biology and Technology, Vol 57, Iss 4, Pp 486-492 (2014)
Glasshouse experiments were conducted to evaluate the efficacy of application frequency of a bioformulated Paecilomyces lilacinus in combination with five concentration of Lantana camara crude aqueous leaf extract against Meloidogyne incognita race I
Externí odkaz: https://doaj.org/article/d78ce383b3074a4a852390d72b3a3f69
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2
Insecticidal Effect of Fruit Extracts from Xylopia aethiopica and Dennettia tripetala (Annonaceae) against Sitophilus oryzae (Coleoptera: Curculionidae)
Autor: Jude A Ukeh, Donald A. Ukeh, A. I. Nta, Idorenyin Asukwo Udo, EE Oku
Publikováno v: Chilean journal of agricultural research v.72 n.2 2012
SciELO Chile
CONICYT Chile
instacron:CONICYT
The insecticidal and repellent activities of fruit extracts of Xylopia aethiopica (Dunal) A. Rich. and Dennettia tripetala (Baker f.) G.E. Schatz belonging to the family Annonaceae was studied against Sitophilus oryzae (L.), an economic, primary post
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8fff24180f2bd8d42cd6f02ad770a26e
https://doi.org/10.4067/s0718-58392012000200005
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3
Insecticidal Effect of Fruit Extracts from Xylopia aethiopica and Dennettia tripetala (Annonaceae) against Sitophilus oryzae (Coleoptera: Curculionidae) Efecto Insecticida de Extractos de Fruta de Xylopia aethiopica y Dennettia tripetala (Annonaceae) contra Sitophilus oryzae (Coleoptera: Curculionidae)
Autor: Donald A . Ukeh, Ene E Oku, Idorenyin A Udo, Abo I Nta, Jude A Ukeh
Publikováno v: Chilean Journal of Agricultural Research, Vol 72, Iss 2, Pp 195-200 (2012)
The insecticidal and repellent activities of fruit extracts of Xylopia aethiopica (Dunal) A. Rich. and Dennettia tripetala (Baker f.) G.E. Schatz belonging to the family Annonaceae was studied against Sitophilus oryzae (L.), an economic, primary post
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::f83aa72ce93f4dec2bdf48f1488c02c7
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000200005
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5
Alligator pepper, Aframomum melegueta, and ginger, Zingiber officinale, reduce stored maize infestation by the maize weevil, Sitophilus zeamais in traditional African granaries
Autor: Sylvia B.A. Umoetok, A. Jennifer Mordue, Michael A. Birkett, Alan S. Bowman, Donald A. Ukeh, John A. Pickett
Publikováno v: Crop Protection. 32:99-103
Alligator pepper, Aframomum melegueta (Roscoe) K. Schum, and ginger, Zingiber officinale Roscoe were tested for their efficacy in protecting stored maize cobs (Zea mays L.) against the maize weevil, Sitophilus zeamais Motschulsky, in traditional maiz
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb1f50013896f6f82457fd5c45619ad4
https://doi.org/10.1016/j.cropro.2011.10.013
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7
Repellent effects of five monoterpenoid odours against Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.) in Calabar, Nigeria
Autor: Sylvia B.A. Umoetok, Donald A. Ukeh
Publikováno v: Crop Protection. 30:1351-1355
Secondary plant compounds are recognised as important components of plant defence system against herbivores and pathogens. Five monoterpenoids, ( R )-linalool, 1,8-cineole, ( S )-2-heptyl acetate, ( S )-2-heptanol and citral, which are natural compon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da5e04450b6dc8d17e22674ba8696e6e
https://doi.org/10.1016/j.cropro.2011.05.016
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9
Behavioural responses of the maize weevil, Sitophilus zeamais, to host (stored-grain) and non-host plant volatiles
Autor: Toby J. A. Bruce, John A. Pickett, Donald A. Ukeh, Michael A. Birkett, A. Jennifer Mordue Luntz, E.J. Allan
Publikováno v: Pest Management Science. 66:44-50
BACKGROUND: Four-arm olfactometer bioassays were conducted to assess the behavioural responses of the adult maize weevil, Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae), to harvested seeds of host plants, i.e. white maize, yellow maize
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ac917eaba915df214d542d52928a6e7
https://doi.org/10.1002/ps.1828
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10
Effects of Azadirachta indica products on the management of Ootheca mutabilis on Telfairia occidentalis in Calabar, Southeast Nigeria
Autor: M.I. Idiongette, Donald A. Ukeh, A. N. Osuagwu, Idorenyin Asukwo Udo, Sylvia B.A. Umoetok
Publikováno v: Crop Protection. 28:583-587
Field experiments were conducted from 2003 to 2006 to evaluate the use of neem, Azadirachta indica, seed powder and extract and their time and intervals of application in the management of Ootheca mutabilis on Telfairia occidentalis (Fluted pumpkin)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eee8a4d6d34d594318b36f9008c46d07
https://doi.org/10.1016/j.cropro.2009.03.002
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